/*
 * Copyright 2003-2007 (c) Live Media Pty Ltd. <argot@einet.com.au> 
 *
 * This software is licensed under the Argot Public License 
 * which may be found in the file LICENSE distributed 
 * with this software.
 *
 * More information about this license can be found at
 * http://www.einet.com.au/License
 * 
 * The Developer of this software is Live Media Pty Ltd,
 * PO Box 4591, Melbourne 3001, Australia.  The license is subject 
 * to the law of Victoria, Australia, and subject to exclusive 
 * jurisdiction of the Victorian courts.
 */

package com.colony.container.simple;

import java.util.HashMap;

import com.argot.TypeException;
import com.argot.TypeLibrary;
import com.argot.remote.MetaLocation;
import com.argot.remote.MetaObject;
import com.colony.ColonyException;
import com.colony.IContainer;

public class SimpleContainer 
implements IContainer
{
	private TypeLibrary _library;
	private HashMap _objectList;
	
	public SimpleContainer( TypeLibrary library )
	{
		_library = library;
		_objectList = new HashMap();
	}
	
	public TypeLibrary getTypeLibrary()
	{
		return _library;
	}
	
	public void addObject( MetaObject metaObject, Object object )
	{
		if ( !(metaObject.getLocation() instanceof SimpleLocation) )
		{
			return;
		}

		SimpleLocation sLoc = (SimpleLocation) metaObject.getLocation();
		
		SimpleData data = new SimpleData( metaObject, object );
		_objectList.put( new Integer( sLoc.getIndex() ), data );		
	}
	
	public void addObject( MetaLocation location, String type, Object o ) 
	throws ColonyException 
	{
		if ( !(location instanceof SimpleLocation) )
		{
			return;
		}
	
		SimpleLocation sLoc = (SimpleLocation) location;
		int typeId;
		
		try
		{
			typeId = _library.getId( type );
		}
		catch (TypeException e)
		{
			throw new ColonyException("failed to add Object",e);
		}
		
		MetaObject metaObject = new MetaObject( sLoc, typeId);
		addObject( metaObject, o);
	}
	
	public Object getObject(MetaLocation location) 
	{
		if ( !(location instanceof SimpleLocation) )
		{
			// throw new BadParameter or ObjectNotFound?
			return null;
		}
		
		SimpleLocation sLocation = (SimpleLocation) location;
		
		int index = sLocation.getIndex();
		SimpleData data = (SimpleData) _objectList.get( new Integer(index));
		if ( data == null ) 
		{
			// throw new ObjectNotFound?
			return null;
		}
		
		return data.getObject();
	}
		
	private class SimpleData
	{
		private MetaObject _data;
		private Object _object;

		public SimpleData( MetaObject data, Object obj )
		{
			_data = data;
			_object = obj;
		}
		
		public Object getObject()
		{
			return _object;
		}
		
		public MetaObject getData()
		{
			return _data;
		}
		
	}

}
